81172273

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2089}}^1$

素因数の和:2177

約数の個数: 24

約数和(自身を含む): 103404840

約数和(自身を除く): 22232567

約数列:

[1, 7, 13, 49, 61, 91, 427, 637, 793, 2089, 2989, 5551, 14623, 27157, 38857, 102361, 127429, 190099, 892003, 1330693, 1656577, 6244021, 11596039, 81172273]

約数ペア:

[(1, 81172273), (7, 11596039), (13, 6244021), (49, 1656577), (61, 1330693), (91, 892003), (427, 190099), (637, 127429), (793, 102361), (2089, 38857), (2989, 27157), (5551, 14623)]